Year	current US$
1960	380290039154.4086
1961	376797493659.8583
1962	382183391470.447
1963	418767615091.7107
1964	472755093373.76404
1965	520272934356.1663
1966	526656741782.73236
1967	549083551376.7665
1968	579107247189.405
1969	642881411188.6986
1970	695867204530.795
1971	753451790501.2539
1972	846285157481.3391
1973	1051335827775.5378
1974	1313766802029.805
1975	1465501376049.9097
1976	1558527712736.288
1977	1763447447648.2856
1978	1913151414286.6104
1979	2305591383010.225
1980	2762761561093.8203
1981	2952920183119.934
1982	2861972141483.7817
1983	2936846780770.02
1984	3046482095237.899
1985	3149234194777.9204
1986	3164242722811.2905
1987	3222777501259.0522
1988	3447364262981.5547
1989	3483675021689.3037
1990	3862104864998.4478
1991	3776959352536.971
1992	3920383494065.6167
1993	4250324328227.8057
1994	4643430579599.426
1995	5249524878500.209
1996	5727534761875.847
1997	6063726479642.025
1998	5912004198444.314
1999	5767713176454.195
2000	6296681066862.58
2001	6374605932075.508
2002	6492929158589.271
2003	7290363498889.889
2004	8650902722186.7
2005	10281294313714.422
2006	12201309030461.514
2007	15148282923543.436
2008	18174019746230.523
2009	17621988440813.39
2010	21283850166968.637
2011	25072297462600.605
2012	26713682499181.625
2013	28198961355745.82
2014	29385695495505.965
2015	27611787695935.926
2016	27792904527570.207
2017	30567113296949.49
2018	32480567254987.76
2019	33254959512763.11
2020	32071499267004.754
2021	37781817294678.836
2022	39958453793131.1
2023	40953925706510.46